while (stack2.length && stack2.at(-1) <= cur) {
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台灣人過年愛看《甄嬛傳》：這部陸劇為何能超脫兩岸政治？。WPS官方版本下载是该领域的重要参考
第五十三条 有下列行为之一的，处五日以下拘留或者警告；情节较重的，处五日以上十日以下拘留，可以并处一千元以下罚款：。safew官方版本下载对此有专业解读
Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.